Sleep

Getting eight hours of sleep doesn't mean you can't feel exhausted.

Participants' short-term memory was assessed through a digit-recall test.

A messed-up sleeping pattern may contribute to the development of Alzheimer's disease, but a nap is not a clear cause for concern.

More than a third of U.S. adults don't get enough sleep each night, according to the CDC.

The science the article refers to is sound, if not new.

The FDA recommends at least two servings a week for health benefits.

Here's a good excuse to go out for sushi.

Morning people and night owls may both be surprised by the findings.

Scientists bred and analyzed 13 generations of wild fruit flies.

Animals, plants, fungi, and even bacteria adhere to the 24-hour cycle, also known as a circadian rhythm, 24-hour internal clock, or sleep-wake cycle.

He was 44 years old.

The team of researchers plans further tests, including some that dig in more detail into the benefits of sleep.

"You get a show or a movie you're really dying to watch, and you end up staying up late at night," CEO Reed Hastings said. "So we actually compete with sleep."

Daylight saving time is not only outdated, but also potentially unhealthy. Here's one alternative that could keep more accurate time and promote better health.

Because daytime does not give you enough opportunities to feel self-conscious.

Doctors still don't know why the seven-year-old slept for so long.

Poor sleep habits are wreaking havoc on our minds.

A lack of dreams could be responsible for several mental health issues.

A new directive from Naval Surface Forces sparks concern that some sailors aren't getting anywhere near enough sleep.

What does it mean to sleep, after all?

Mayo Clinic researchers took a deep dive into whether the barks should stay out of the bedroom.

Sleep problems are not just a consequence of mental health disorders: They may be a big cause of them, research shows.

The findings suggest that those with less shut-eye may weigh more.

The secret to a good night's sleep doesn't lie in a pill.

They don't call it the graveyard shift for nothing.

Think you're "catching up on sleep"? Think again.

The study found people living in areas with higher levels of air pollution suffered from low sleep efficiency.

Are you looking for a reason to clock off early and hit the hay?

The sleep deprivation that comes with springing ahead can be detrimental to the public.

Synesthesia affects people's senses and how they perceive numbers, sounds, colors and more.